Examples with ContainerInstance org.jboss.weld.environment.ContainerInstance used on opensource projects

Example 1 with ContainerInstance

use of org.jboss.weld.environment.ContainerInstance in project core by weld.

the class WeldServletLifecycle method initialize.

/**
 * @param context
 * @return <code>true</code> if initialized properly, <code>false</code> otherwise
 */
boolean initialize(ServletContext context) {
    isDevModeEnabled = Boolean.valueOf(context.getInitParameter(CONTEXT_PARAM_DEV_MODE));
    WeldManager manager = (WeldManager) context.getAttribute(BEAN_MANAGER_ATTRIBUTE_NAME);
    if (manager != null) {
        isBootstrapNeeded = false;
        String contextId = BeanManagerProxy.unwrap(manager).getContextId();
        context.setInitParameter(org.jboss.weld.Container.CONTEXT_ID_KEY, contextId);
    } else {
        Object container = context.getAttribute(Listener.CONTAINER_ATTRIBUTE_NAME);
        if (container instanceof ContainerInstanceFactory) {
            ContainerInstanceFactory factory = (ContainerInstanceFactory) container;
            // start the container
            ContainerInstance containerInstance = factory.initialize();
            container = containerInstance;
            // we are in charge of shutdown also
            this.shutdownAction = () -> containerInstance.shutdown();
        }
        if (container instanceof ContainerInstance) {
            // the container instance was either passed to us directly or was created in the block above
            ContainerInstance containerInstance = (ContainerInstance) container;
            manager = BeanManagerProxy.unwrap(containerInstance.getBeanManager());
            context.setInitParameter(org.jboss.weld.Container.CONTEXT_ID_KEY, containerInstance.getId());
            isBootstrapNeeded = false;
        }
    }
    final CDI11Bootstrap bootstrap = new WeldBootstrap();
    if (isBootstrapNeeded) {
        final CDI11Deployment deployment = createDeployment(context, bootstrap);
        deployment.getServices().add(ExternalConfiguration.class, new ExternalConfigurationBuilder().add(BEAN_IDENTIFIER_INDEX_OPTIMIZATION.get(), Boolean.FALSE.toString()).build());
        if (deployment.getBeanDeploymentArchives().isEmpty()) {
            // Skip initialization - there is no bean archive in the deployment
            CommonLogger.LOG.initSkippedNoBeanArchiveFound();
            return false;
        }
        ResourceInjectionServices resourceInjectionServices = new ServletResourceInjectionServices() {
        };
        try {
            for (BeanDeploymentArchive archive : deployment.getBeanDeploymentArchives()) {
                archive.getServices().add(ResourceInjectionServices.class, resourceInjectionServices);
            }
        } catch (NoClassDefFoundError e) {
            // Support GAE
            WeldServletLogger.LOG.resourceInjectionNotAvailable();
        }
        String id = context.getInitParameter(org.jboss.weld.Container.CONTEXT_ID_KEY);
        if (id != null) {
            bootstrap.startContainer(id, Environments.SERVLET, deployment);
        } else {
            bootstrap.startContainer(Environments.SERVLET, deployment);
        }
        bootstrap.startInitialization();
        /*
             * Determine the BeanManager used for example for EL resolution - this should work fine as all bean archives share the same classloader. The only
             * difference this can make is per-BDA (CDI 1.0 style) enablement of alternatives, interceptors and decorators. Nothing we can do about that.
             *
             * First try to find the bean archive for WEB-INF/classes. If not found, take the first one available.
             */
        for (BeanDeploymentArchive bda : deployment.getBeanDeploymentArchives()) {
            if (bda.getId().contains(ManagerObjectFactory.WEB_INF_CLASSES_FILE_PATH) || bda.getId().contains(ManagerObjectFactory.WEB_INF_CLASSES)) {
                manager = bootstrap.getManager(bda);
                break;
            }
        }
        if (manager == null) {
            manager = bootstrap.getManager(deployment.getBeanDeploymentArchives().iterator().next());
        }
        // Push the manager into the servlet context so we can access in JSF
        context.setAttribute(BEAN_MANAGER_ATTRIBUTE_NAME, manager);
    }
    ContainerContext containerContext = new ContainerContext(context, manager);
    StringBuilder dump = new StringBuilder();
    Container container = findContainer(containerContext, dump);
    if (container == null) {
        WeldServletLogger.LOG.noSupportedServletContainerDetected();
        WeldServletLogger.LOG.debugv("Exception dump from Container lookup: {0}", dump);
    } else {
        container.initialize(containerContext);
        this.container = container;
    }
    if (Reflections.isClassLoadable(WeldClassLoaderResourceLoader.INSTANCE, JSP_FACTORY_CLASS_NAME) && JspFactory.getDefaultFactory() != null) {
        JspApplicationContext jspApplicationContext = JspFactory.getDefaultFactory().getJspApplicationContext(context);
        // Register the ELResolver with JSP
        jspApplicationContext.addELResolver(manager.getELResolver());
        // Register ELContextListener with JSP
        try {
            jspApplicationContext.addELContextListener(new WeldELContextListener());
        } catch (Exception e) {
            throw WeldServletLogger.LOG.errorLoadingWeldELContextListener(e);
        }
        // Push the wrapped expression factory into the servlet context so that Tomcat or Jetty can hook it in using a container code
        context.setAttribute(EXPRESSION_FACTORY_NAME, manager.wrapExpressionFactory(jspApplicationContext.getExpressionFactory()));
    }
    if (isBootstrapNeeded) {
        bootstrap.deployBeans().validateBeans().endInitialization();
        if (isDevModeEnabled) {
            FilterRegistration.Dynamic filterDynamic = context.addFilter("Weld Probe Filter", DevelopmentMode.PROBE_FILTER_CLASS_NAME);
            filterDynamic.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST, DispatcherType.FORWARD, DispatcherType.INCLUDE), true, "/*");
        }
        this.shutdownAction = () -> bootstrap.shutdown();
    }
    return true;
}